| Andrew Robert Davies | Director | 25 Jul 2008 | 30 Apr 2015 | British | 62 years |
| Angus James Anderson Ridge | Director | 9 Jan 2015 | 1 Apr 2020 | British | 60 years |
| Christopher John Armitstead | Director | 22 May 2001 | 25 Jul 2008 | British | 68 years |
| Christopher John Armitstead | Secretary | 24 Jan 2003 | 25 Jul 2008 | British | - |
| David John Bean | Director | 1 Oct 1992 | 1 Nov 1993 | British | 78 years |
| David Mark Bentley | Director | 11 Jan 2013 | 1 Apr 2020 | British | 57 years |
| David Peter Pearson | Director | 1 Feb 2008 | 19 Dec 2008 | British | 71 years |
| George Robert Marsh | Director | 1 Feb 2008 | 12 Apr 2012 | British | 77 years |
| Harry Francis Staiano | Director | 1 Oct 1992 | 1 Jun 2004 | British | 87 years |
| Helen Marie Thompson | Secretary | 30 Apr 2015 | 20 Dec 2018 | - | - |
| James Richard Fitton | Director | 11 Jan 2013 | 1 Apr 2020 | British | 55 years |
| John Alastair Binns | Director | 22 May 2001 | 20 Sept 2019 | British | 66 years |
| John Gordon Ridings | Director | 29 Feb 2008 | 11 Jan 2013 | British | 79 years |
| John Matthew Greenwood | Director | 9 Apr 2013 | 1 Apr 2020 | British | 51 years |
| John Neil Bradshaw | Director | 1 Oct 1992 | 28 Jul 2000 | British | 86 years |
| John Nicholas Bentley | Director | 1 Oct 1992 | 30 Nov 2000 | British | 83 years |
| Jonathan Michael Field Cain | Director | 28 May 1999 | 31 Mar 2013 | British | 57 years |
| Judith Jeffery | Director | 9 Jan 2015 | 1 Apr 2020 | British | 57 years |
| Martin Matthew Bentley | Director | 14 Oct 2004 | 15 Dec 2014 | British | 55 years |
| Michael David Haigh | Director | 18 Sept 2014 | 29 Jul 2022 | British | 66 years |
| Philip Robert Cundill | Director | 9 Jan 2015 | 1 Apr 2020 | British | 49 years |
| Richard David Field | Director | 21 May 2012 | 11 Jan 2013 | British | 81 years |
| Richard Julian Grey | Secretary | 1 Oct 1992 | 14 Dec 1993 | British | - |
| Richard Risdon | Director | 11 Jan 2013 | 3 Oct 2022 | British | 52 years |
| Rodney Tozer | Director | 1 Oct 1992 | 27 Oct 1992 | British | 83 years |
| Sara Elizabeth Fowler | Secretary | 15 Dec 1993 | 24 Jan 2003 | British | - |
| Steven Christopher Tetlow | Director | 11 Jan 2013 | 1 Apr 2020 | British | 60 years |